H03F 2203/45182
The differential amplifier contains one or more cascode current mirrors in the
Official title: the differential amplifier contains one or more cascode current mirrors in the load
H03F2203/45182 (The differential amplifier contains one or more cascode current mirrors in the) appears on 21 US grants and 16 published applications in this corpus.
Search patents in H03F- Granted patents
- 21
- Published applications
- 16
- Assignees
- 23
- Inventors
- 46
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 4 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 3 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Differential current buffer circuit and dc and alternating current source comprising the same23 Dec 2025US 12,506,470 B2It'is Foundation
- Comparator, photoelectric conversion device, and apparatus22 Apr 2025US 12,283,926 B2Canon Kabushiki Kaisha
- Amplifier peak detection25 Mar 2025US 12,261,577 B2QUALCOMM Incorporated
- Amplifier having improved slew rate31 Dec 2024US 12,184,235 B2DB GlobalChip Co., Ltd.
- Amplifier capable of minimizing short-circuit current of output stage while having improved slew rate13 Feb 2024US 11,901,869 B2DB HiTek Co., Ltd.
- Two-stage operational amplifer2 Apr 2026US 2026/0095134 A1STMicroelectronics International N. V.
- Amplifier peak detection26 Jun 2025US 2025/0211182 A1QUALCOMM Incorporated
- Differential current buffer circuit and dc and alternating current source comprising the same29 May 2025US 2025/0175167 A1It'is Foundation
- Semiconductor circuit device and switching regulator30 Jan 2025US 2025/0038661 A1Seiko Epson Corporation
- Semiconductor circuit device and switching regulator30 Jan 2025US 2025/0038662 A1Seiko Epson Corporation
Most cited
By later US patents
- Operational amplifier for stably driving a low impedance load of low power consumption42US 5,285,168 AAkita Electronics Co., Ltd. · 1994
- CMOS current convevor and its filter applications23US 5,124,666 AIndustrial Technology Research Institute · 1992
- Differential current mode amplifier device21US 5,483,194 AAlcatel Mobile Communication France · 1996
- Low voltage operational amplifier input stage and method20US 5,734,296 AMotorola, Inc. · 1998
- Low voltage fully differential operational amplifier with improved common mode circuitry20US 5,844,442 AAdvanced Micro Devices, Inc. · 1998